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Wed, 03 Dec 2008 09:02:33 +0000Sahajahttps://anatomytopics.wordpress.com/go/head-neck/3-the-viscerosensory-and-visceromotor-innervation-of-the-head-and-neck-the-fibers-of-the-connective-tissue-the-extracellular-matrix-the-development-of-the-viscerocranium/3. The viscerosensory and visceromotor innervation of the head and neck. The fibers of the connective tissue, the extracellular matrix. The development of the viscerocranium.

Flash Cards:

CN IX, XI - Glossopharyngeal, Accessory n

CN X Vagus n & branches

Autonomic n. and PNS ggl

SNS ganglia in Head & Neck

PNS ggl and SNS/PNS relations to them

Anatomy:The viscerosensory and visceromotor innervation of the head and neck.

This topic consists of mainly CN IX, X, and Autonomic innervation of Head & Neck. Yes, some of these cranial nerves also have SM/SS function, but they are very important inVS/VM function. Other CN also add innervation of VS/VM in the body. If you want to know all the branches of CNs, please refer to the cards above.

Viscerosensory of Head & Neck:

Viscerosensory innervation of the head and neck have to do with the special sensation function of the cranial nerves. There is a main sensory function we have to look at: taste

Taste:

CN VII – Facial n

covered mostly in last topic, but know that Chorda Tympani n provides VS innervation to ant 2/3 of tongue

Visceromotor of Head & Neck:

Mainly comes from autonomic innervation. In the head & neck, visceromotor basically means the autonomic innervation of glands, as well as some muscle of the eye. The four main glands we have to consider are: lacrimal, parotid, submandibular, sublingual, and as well we have to consider the glands of the nasal and oral mucosa & skin. The innervations are primarily run with PNS and SNS ganglia.

If you want to see the information sorted by ganglia, or by PNS v SNS, please refer to flash cards above.

NOTE: SNS fibers only GO THRU ggl (is not part of them, do not synaspe in PNS ggl) – their ggl are the cervical ggl, they are merely hitchhiking with the PNS nerves, and then they run w/ arteries to targets